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Finding the Fourth Proportional to 162,994.80, 244,346.40 and 106,861.80

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Solution

The fourth proportional to 162,994.80, 244,346.40 and 106,861.80 is: 160,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,994.80 : 244,346.40 = 106,861.80 : x
  2. Step 2: Convert to fraction form
    162,994.80/244,346.40 = 106,861.80/x
  3. Step 3: Cross multiply
    162,994.80x = 244,346.40 × 106,861.80
  4. Step 4: Simplify right side
    162,994.80x = 26,111,296,127.52
  5. Step 5: Solve for x
    x = 26,111,296,127.52/162,994.80
  6. Step 6: Final answer
    x = 160,197.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.